Researchers are discovering maca root to be one of the best natural ways that may help regulate and support endocrine health. This may help support metabolism energy levels and a sense of well-being. Maca root may help support regulation of endocrine levels and adrenal glands. Emerald Labs is formulated and clinically validated by a well-respected licensed naturopathic medical doctor (N.M.D.) according to the highest standards of his medical practice. His expertise in nutrition herbal and vitamin therapies natural hormone replacement and integrative medicine has resulted in a professional line of clinical-potency formulas directly accessible to our consumers. Emerald Labs products are: Raw Whole-Food Based Formulas for Enhanced Absorption and Bioavailability. Formulated by Dr. Mark Stengler. Therapeutic Doses with Clinical Results. 100% Additive-Free ? No Magnesium Stearate. Gluten-Free Formulas. Purity Tested ? cGMP Certified Facility. Every product in vegetable capsules. All Emerald Laboratories